@InProceedings{sennrich:2012:EACL2012,
  author    = {Sennrich, Rico},
  title     = {Perplexity Minimization for Translation Model Domain Adaptation in Statistical Machine Translation},
  booktitle = {Proceedings of the 13th Conference of the European Chapter of the Association for Computational Linguistics},
  month     = {April},
  year      = {2012},
  address   = {Avignon, France},
  publisher = {Association for Computational Linguistics},
  pages     = {539--549},
  url       = {http://www.aclweb.org/anthology/E12-1055}
}